5. When a B cell class switches from making IgM/IgD to IgG1, how does this speci

Question

5. When a B cell class switches from making IgM/IgD to IgG1, how does this specifically happen? A. By genomic recombination B. By RNA splicing C. By somatic hypermutation D. All of the above 6. What is a High Endothelial Venule? A. A part of the spleen capillaries that signals to mature naive B. A part of the lymph node capillaries that signals to mature naive C. A part of the thymic capillaries that signals to immature D. Part of the left subclavian vein that allows lymph fluid out lymphocytes to go to the red pulp lymphocytes to enter the lymph node lymphocytes to enter the thymus 7. What does the Thoracic Duct do? A. Provides oxygen to most of the lymphoid organs B. Prevents lymphocytes and antibodies from escaping the the lymphoid organs C. Provides blood flow to most of the lymphoid organs D. Provides fluid flow from most of the lymphoid organs E. Commonly repaired with Duct Tape 8. The proteasome does which of the following functions? A. Transport of peptides to the ErR B. Removal of the CLIP peptide C. Peptide loading onto MHC Class II D. Peptide loading onto MHC Class I E. Cleavage of proteins in the endogenous pathway MHC Class II molecules are composed of which of the following chains? 9. A. heavy and light B. alpha and beta C. gamma and delta D. all of the above E. alpha and beta2 microglobulin

Explanation / Answer

ANSWER:

5) All of the above

6).A part of lymph node capaillaries that signals to mature naive lymphocytes to enter the lymph node

7) Provides blood flow to most of the lymphoid organs

8) Peptide loading onto MHC class I

9) alpha and beta

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